Here's what rhymes with halloe.
                        
                        
                    
                                low  row  lo  ro  yo  roe  yeux  rho  no  so  know  go  though  show  co  flow  blow  grow  slow  throw  pro  tho  fo  foe  glow  ho  bo  doe  dough  fro  mo  po  toe  wo  woe  chateau  crow  hello  thro  tow  beau  ceux  faut  goe  hoe  jo  ko  sew  soe  vo  beaux  cho  dau  floe  mow  noe  sho  zo  bro  throe  trow  chapeau  sloe  tarot  whoa  doh  chapeaux  although  below  ago  snow  quo  audio  folio  bio  forego  forgo  uno  aglow  aliquot  escrow  siglo  tuo  chateaux  stow  oleo  foreknow  kayo  fatso  borzoi  schmo  resew  schmoe  ratio  radio  overthrow  plateau  buffalo  overflow  patio  stereo  calico  nouveau  polio  propos  tableau  vertigo  apropos  cameo  dicho  outgrow  rodeo  tableaux  topos  dunno  plateaux  trousseau  kapok  turbot  deathblow  overgrow  regrow  bandeau  gateau  matzoh  gateaux  pekoe  trousseaux  romeo  tallyho  embryo  studio  undergo  bestow  bungalow  domino  mistletoe  spatio  afterglow  adagio  piccolo  undertow  indigo  portico  dynamo  medico  oregano  pistachio  pompano  mustachio  microdot  moustachio  portfolio  politico  presidio  impresario  archipelago  pianissimo  braggadocio  generalissimo